nitestick i have been wanting to say this for a while but never got around to it, but. I LOVE YOUR SIG, not the computer part, but the Jessica Alba, she is possibly one of the sexiest women i have ever seen in my entire life, especially in that picture.
anyway, most of the things in your computer won't be ruined if you put them in the wrong place (unless you are cutting things off/breaking things to get them to fit)
the motherboard doesn't supply high enough voltage to parts to fry them, except for frontal USB ports